Job Description Marriott International, Inc.: Senior Software Engineer - Loyalty (Multiple Positions) - Bethesda, MD DUTIES: Take day-to-day direction from assigned Product Leader/Owner to lead technical workgroups and/or functions as a technical expert. Resolve and make decisions on more complex, non-routine service requests with limited to moderate risk. Perform research, analysis, design, creation and implementation of applications to meet current and future user requirements. Define and cr